Sand-blast device.



No. 859,863. l PATENTED JULY 9, 1907. S. L. YOUNG & H. L. GONLEY. SAND BLAST DEVICE. APPLIoATIoN Hmm man 2a, laos.

Q4 Troie/VMS Il lill!!! l .IIHIHIIIIIII Iy l UNTTED STATES PATENT OFFICE.

- SAMUEL L. YOUNG AND HERBERT L. CONLEY, OF NEW CASTLE, PENNSYLVANIA, ASSIGNORS, BY DIRECT AND MESNE ASSIGNMENTS, OF ONE-FOURTH TO SMITH DEAN, ONE-EIGHTH TO'DAVID LONG,ONEFOURTH TO ALFRED P. GRANT, ONE-FOURTH TO CASSIUS L. FINNEY, AND ON E-EIGHTH TO AGNES L. LONG, ALLKOF NEW CASTLE, PENNSYLVANIA.

SAND-BLAST DEVICE.

No. 859,863. Specication of Letters Patent. rPaluanted July 9, 1907.

' Application filed June 23, 1906. Serial No. 323,145.

To all whom 'it may concern: 28-29 be closed and the valve 27 opened, the abrad- Be it known that we, SAMUEL L. YOUNG and HER- ing material will be .supplied to the casing at the 55 BERT L. CONLEY, citizens of the United States, residing highest point, and thus subjected to the influence of at New Castle, in the county of Lawrence and State of the fan for a greater length of time than occurs when Pennsylvania, have invented a new and useful Sand the valve 27 is closed and the valves 28-#29 opened, Blast Device, of which the following is a specification. and the abrading material admitted'to the casing at a This invention relates to improvements in sand blast comparatively low point. Thus the abrading ma- 60 devices, and has for its object to simplify and improve terial will be thrown with greater force against the the construction and increase the efiicicncy and utility object to be treated when admitted through the pipe 24' of devices of this character. than when admitted through the pipes 25 and 2G, as .With these and other objects in view, which will will be obvious. The'force with which the abrading appear as the nature of the invention is better undermaterial is projected may thus be controlled to adapt G5 stood, the invention consists in certain novel features it to the structure 'of the object 19,` as comparatively oi construction as hereafter fully described and claimed. soft objects require a less force than those of a harder In the accompanying drawings forming part of this nature or substance. As fast as the abrading material specification and in which corresponding parts are has accomplished its Work, it falls through the aperture denoted by like designating characters, isillustrated 22 into the receptacle 21, and is returned from thence 70 the preferred form of the embodiment of the invention to the receiver 23 to be again used, and so on so long as capable of carrying the same into practical operation, required. By this simple means a comparatively it being understood that various changes in the form, small quantity of thelgabrading material is required,

proportion and minor details of construction may be Vas it can be used over and over again as frequently as resorted to without departing from the principle or required. 7 5 sacriicing any of the advantages of this invention within The device is designed for use by j ewelersand others the scope oi the appended claims. for treating compartively small objects, and to this end 25 1n the drawingsi-Figure l is a longitudinal seca base plate 30 is disposed below the sub-casing 20 tional elevation; Fig. 2 is a transversesection'; Fig. 3 which may be attached to a support of any kind to is a vertical transverse section through the device. v which the driving power is attached. 80

The improved device comprises an inclosing casing The yieldable lining 15 of the fan casing and the like 10, preferably in the form of afan casing, and provided covering for the ian blades and shafts, protect the latwith a relatively large outlet throat 11 and with a shaft ter from the action of the abrading material.

12 carrying the fan blades 13, the shaft being provided What is claimed is: y withadrive pulley 14.' 1. In a device of the class described the combination 8 5 The casing 10 and its throat 11 are'lined with a yieldwith a fm1 Casing having im' @met and a fan mounted to in t I; 1 h ft bb d t d t 15 d operate therein, and means for holding in the outlet ofv g ma' e la' suc as S0 ru yer m ma' e a" an the casing an object to be treated; of a receiver, indethe fan blades 13 and shaft 12 are also covered withthe ement means for conveying n abmdng material from v same material, as indicated respectively at l6-17. the receiver to differentI points within the. path of the 90 Means are provided Such as guides 18 at the throat blades, and a controlling device within each of said means. rtn 11 f sin rt-m the' bt t be 2. In a device of the class described the combination p0 lo o le ca g or Silppo g )ec o' ivith'a casing having an outlet, means for holding in the treated by the blast the Oblect' bemg lndlca'tedat 19- outlet an object to be treated, rotatable fan blades within 40 Extending below the Casing 1Q iS a Sub-Casing 20 in the casing for directing an abrading material against the 95 which a, receptacle 21 is disposed, preferably in the object within the outlet, and a soft covering upon the fan blades and the inner faces of the casing; of a receiver, ormof a drawer as.sh0wn ind formed m the throat independent means for conducting alu-aiding material by Portion 11 of the 035mg 10 adla'centto the Supports for gravity from the receiver to different points within the the object 19, is an aperture 22 communicating with the path of the blades, and means within each of said con- 100 receptacle 21. veylng means for controlling the passage of material The recelvr for the abradmg ele-ment .which 1s 3. In a device of 'the class described, a fan Casing' .usually Sand: 1s represented at 23: Preferably mfunnelhaving a fan operating therein; a receiver for a finely olhoppcl Shape, and Connected t0 the upper parli Of the divided abrading element, a conductor for the abrading 105 Casing 10 by a conductor pipe 24 and t0 the lower part element leading from said receiver into tliehnpper part of the casing by branch conductors25 2, the con of said casing, a conductor for. the abrading element lending from said receiver to-'the lower part of said ductor 24 havmga'contmumg Valve 271mm the branch casing, menus forindependently controlling the Iiow of Conductor pipes having Controlling ValVCS 28-29- the element through said conductors, means for supportf 110 With an apparatus thus constructed, if the valves ing the object to be treated in Vthe path of the abrading element, a receptacle, and a discharge aperture in theV casing and communicating vvith said receptacle in position to receive the nbrading element after its action upon the object.

4. In a device of the class described, a fan casing having a fan operating therein, a receiver for a finely divided abruding element, a conductor for the abrading element leading from said receiver into the upper part of said casing, a conductor for the abruding element leading from said receiver to the lower part of saldcasing, means for independently controlling the 'now of the element through said conductors, and means for supporting the object to be treated in the path of the abrading element operated upon by thefan.

In testimony thatv we clim the foregoing as our own, we have hereto affixed our sign two witnesses.

` SAMUEL L. YOUNG.

HERBERT L. CONLEY. Witnesses:

A. P. GRANT, L. A. JOHNSTON;

atures in the presence ofA 

